Wordnet 3.0
ADJECTIVE (1)
1.
unsurpassed in some respect up to the present;
- Example: "prices at an all-time high"- Example: "morale at an all-time low"- Example: "among the all-time great lefthanders"
The Collaborative International Dictionary of English v.0.48:
all-time \all-time\ adj.
1. unsurpassed in some respect up to the present. prices at
an all-time high; morale at an all-time low; among the
all-time great lefthanders
[WordNet 1.5]
WordNet (r) 3.0 (2006):
all-time
adj 1: unsurpassed in some respect up to the present; "prices at
an all-time high"; "morale at an all-time low"; "among
the all-time great lefthanders"